Pension Plans (Tables)

3 Months Ended

Mar. 27, 2020

Retirement Benefits [Abstract]

Schedule of Net Periodic Pension Costs

The following sets forth the components of our net periodic costs associated with our noncontributory defined benefit pension plans ($ in millions):

	Three Months Ended
	March 27, 2020		March 29, 2019
U.S. Pension Benefits:
Interest cost	$	0.3	$	0.4
Expected return on plan assets	(0.3)		(0.3)
Amortization of net loss	0.1		—
Net periodic pension cost	$	0.1	$	0.1
Non-U.S. Pension Benefits:
Service cost	$	1.1	$	0.3
Interest cost	1.0		1.4
Expected return on plan assets	(1.4)		(1.4)
Amortization of net loss	1.1		0.7
Amortization of prior service cost	0.1		—
Net periodic pension cost	$	1.9	$	1.0